文献类型：期刊文献

中文题名：金沙江干热河谷造林树种游离脯氨酸含量与抗旱性关系

英文题名：Drought Resistace in Relation to Free Proline in the Major Tree Species in Dry and Hot River Valley of Jinsha

作者：李昆[1,2] 曾觉民[1,2] 赵虹[1,2]

第一作者：李昆

机构：[1]中国林业科学研究院资源昆虫研究所;[2]西南林学院

年份：1999

卷号：12

期号：1

起止页码：103-107

中文期刊名：林业科学研究

外文期刊名：FOREST RESEARCH

收录：CSTPCD;;Scopus;北大核心:【北大核心1996】；CSCD:【CSCD2011_2012】；

语种：中文

中文关键词：干热河谷;造林树种;游离脯氨酸;抗旱性

外文关键词：dry and hot river valley; tree species for plantation; free proline; drought resistance

分类号：S718.43

摘要：金沙江干热河谷地区的主要造林树种中，以马占相思、山毛豆、真珠相思、大叶相思、台湾相思、绢毛相思、坡柳在旱季游离脯氨酸累积较多；赤桉、泰国赤桉、柠檬桉、尾叶桉、大叶桉、新银合欢、苏门答腊金合欢、滇刺枣无明显差异。无论从种属间或种源地，还是不同生态类型，都看不出游离脯氨酸的累积与抗旱性之间有明显的相关关系。作者认为，用游离脯氨酸作为植物抗旱性指标有一定局部性。
The accumulation of free proline in some major tree species growing in dry and hot river valley of Jinsha during both dry and rainy seasons has respectively been determined.The result shows that the free proline content in Acacia manguim,Tephrosia candida,A.podalyriifolia,A.auriliformia,A.confusa,A.holosericea and Dodonaea viscosa increased significantly than in any other species in dry season.No observable changes have been found as for the content of free proline in Eucalyptus camaldulensia,E.camaldlensia from Thailand, E.citriodora,E.urophylla,E.robusta,Leucaena leucocephala,Acacia glauca,Zizyphus mauritiana in both seasons.There is not obvious interrelation between the accumulation of free proline and drought resistance in the plants whether among different species,or among the same tree species from different area,or from different ecological forms.It seems that there is certain limitation to utilize the content of free proline as the indices as plant drought resistance.However,using the free proline as indices or parameter to determine the physiological change in some plants under water stress is suggested.